yes we had to have professionals do the exhaust system some of the more complex tranny work and install the new suspension we would have done these ourselves but we didnt have a car lift or the necessary tools to do them my dad is a financial advisordaytrader and im just a high school student before this project we had a combined limited knowledge about cars and just taught ourselves as we went we didnt have any shop or crazy nice equipment or anything just some standard tools a workbench and the space of a two car garage thanks so much man i really appreciate all the great feedback